<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Vue</title>
</head>
<body>
  <div id = "app">
    <h1>{{message}}</h1>
  </div>
  <script tyoe = "module">
     import { createApp, ref } from 'https://unpkg.com/vue@3/dist/vue.esm-browser.js'
     createApp({
      setup(){
        const nessage = ref("Hello Vue")
        return {
          message
        }
      }
     }).mout(#app)
       </script>
</body>
</html>